<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户动列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="24">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
            class="input-with-select"
          >
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisbl=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <!-- 作用域插槽 -->
          <template slot-scope="scope">
            <!-- 开关 -->
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <!-- 操作 -->
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              size="mini"
              icon="el-icon-edit"
              @click="showEdit(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="open(scope.row.id)"></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button
                @click="setRole(scope.row)"
                type="warning"
                size="mini"
                icon="el-icon-setting"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- page分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisbl" width="50%" @close="addDialogClosed">
      <!-- 添加用户内容主体区 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
        <!-- 底部区 -->
        <el-form-item>
          <el-button @click="addDialogVisbl = false">取 消</el-button>
          <el-button type="primary" @click="addUsers">确 定</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editdialog" width="50%" @close="editDialog">
      <el-form ref="editFormrRef" :rule="addFormRules" :model="editForm" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editdialog = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="提示" :visible.sync="setUserVisaible" width="50%" 
      @close='selectedRoleClose'
    >
      <div>
        <p>当前的用户：{{userinfo.username}}</p>
        <p>当前的角色：{{userinfo.role_name}}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setUserVisaible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "User",
  
  data() {
    // 邮箱验证规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/;
      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    // 手机验证规则
    var checkMobel = (rule, value, cb) => {
      const regMobel = /^[1][3,4,5,7,8][0-9]{9}$/;
      if (regMobel.test(value)) {
        // 合法的手机号
        return cb();
      }
      cb(new Error("请输入合法的手机号"));
    };

    return {
      //获取用户列表参数对象
      queryInfo: {
        query: "",
        // 当前得页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      total: 0,
      //控制对话框显示与隐藏
      addDialogVisbl: false,
      //添加用户表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: ""
      },
      //添加表单验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输用户名", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 5 个字符", trigger: "blur" }
        ],
        //驗證密碼是否合法
        password: [
          { required: true, message: "请输入密碼", trigger: "blur" },
          { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" }
        ],
        //验证邮箱
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        //验证手机
        mobile: [
          { required: true, message: "请输入手机", trigger: "blur" },
          { validator: checkMobel, trigger: "blur" }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editdialog: false,
      // 获取到要修改的用户信息
      editForm: {
        username: "",
        email: "",
        mobile: ""
      },
      //控制分配角色对话框显示与隐藏
      setUserVisaible: false,
      //需要背分配权限的用户
      userinfo: {},
      //所有角色的数据列表
      rolesList: [],
      //已选中的角色id值
      selectedRoleId:''
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      //   console.log(res);
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userlist = res.data.users;
      this.total = res.data.total;
      //   console.log(this.userlist);
    },
    // 监听handleSizeChange
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 监听页码值
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    // 监听switch开关的改变
    async userStateChange(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("用户更新失败");
      }
      this.$message.success("用户更新成功");
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed() {
      return this.$refs.addFormRef.resetFields();
    },
    // 添加新用户
    addUsers() {
      this.$refs.addFormRef.validate(async vaild => {
        // console.log(vaild);
        if (vaild === false) return;
        // 发起用户的网络请求
        const { data: res } = await this.$http.post("users", this.addForm);
        // console.log(res);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败");
        }
        this.$message.success("添加用户成功");
        //隐藏用户的对话框
        this.addDialogVisbl = false;
        //重新获取用户的列表
        this.getUserList();
      });
    },
    //展示编辑对话框
    async showEdit(id) {
      // console.log(id);
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询失败");
      }
      this.editForm = res.data;
      this.editdialog = true;
    },
    // 监听修改用户对话框关闭事件
    editDialog() {
      this.$refs.editFormrRef.resetFields();
    },
    // 修改确定按钮
    editUser() {
      this.$refs.editFormrRef.validate(async vaild => {
        // console.log(vaild);
        if (!vaild) return;

        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        );

        if (res.meta.status !== 200)
          return this.$message.error("更新用户失败");
        //关闭对话框
        this.editdialog = false;
        //刷新数据列表
        this.getUserList();
        //提示修改成功
        this.$message.success("更新用户成功");
      });
    },
    //删除提示
    async open(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          //图标
          type: "warning"
        }
      ).catch(error => error);
      //如果用户确认删除返回confirm，取消返回错误报告cancel
      if (confirmResult !== "confirm")
        return this.$message.info("以取消删除操作");
      this.$message.success("确认删除");
      //删除指定数据
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.meta.status !== 200) return this.$message.error("删除失败");
      this.$message.success("删除成功");
      //重新渲染列表
      this.getUserList();
    },
    //展示分配角色对话框
    async setRole(role) {
      this.userinfo = role;
      //在展示对话框之前，获取所有角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        return this.message.error("获取角色失败");
      }
      this.rolesList = res.data;
      this.setUserVisaible = true;
    },
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色')
      }
        const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{rid:this.selectedRoleId})
        if(res.meta.status!==200) return this.$message.error('更新失败')
        console.log('到这里了');
        this.$message.success('更新成功')
        this.getUserList()
        
        this.setUserVisaible=false
    },
    //监听分配角色对话框关闭事件
    selectedRoleClose(){
      this.selectedRoleId=''
      this.userinfo=''
    }
  }
};
</script>


<style lang="less" scoped>
</style>
